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bekas [8.4K]
3 years ago
9

How do the muscles in the human body help with movement? A. Muscles contract and thus pull on bones to cause movement. B. They b

end the bones. C. The bones are contracted by the muscles. D. They help push the bones apart using ligaments.
Biology
1 answer:
natta225 [31]3 years ago
3 0
The answer is A. because the muscles pull the bones since they are attached.
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In diffusion and osmosis what happens to the concentration of water inside each cell
avanturin [10]

diffusion is the movement of molecules or stuff through the cell membrane

osmosis is the movement of water

water move from high contration to lower concentration

the there is salt outside of the cells the water will move out of the cell membrane and if there is salt inside the cells the water will move into the cell

6 0
3 years ago
Please Help!!
NARA [144]
1) all of the above
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3 years ago
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6. (a) What two major changes have occurred in the North Fork Toutle River?
antiseptic1488 [7]

A massive landslide Mud flows in the Toutle river.

<h3>How changes have occurred in the North Fork Toutle River?</h3>

There had been many earthquakes in the area prior to eruption but this happen to be a massive land slide because a moving magma have over steepened the mountain slopes.

This geologic process uses gravity to cause rock, soil, artificial fill or a combination of the three to move down a slope. Slow weathering of rocks as well as soil eruption and volcanic activity also causes landslides

Thus, massive landslide Mud flows in the Toutle river.

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2 years ago
Which statement is true of both the X and Y chromosomes?
katen-ka-za [31]
C they are always found in homologous pairs
7 0
3 years ago
Select all that apply.
professor190 [17]

The right answer is B and C.

For proposal C, I will give you an example, that of an autosomal recessive disease. If a parent is heterozygous for an allele causing an autosomal recessive disease (due to a mutation), it may be that it transmits the allele to its descendence, as it may not be able to transmit it (since in one heterozygous subject, not all of its gametes carry the mutated allele) and thus the mutation will no longer be copied through the generaitons.

Each individual is genetically unique. Its genes are distributed along chromosomes contained in the nucleus. Mutations can lead to the appearance of different versions of genes: alleles. A diploid individual has two copies of each gene, which may be identical or different alleles. Mixing during sexual reproduction partly explains the genetic diversity of individuals.

4 0
3 years ago
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